Spring-hinge.



F. BRUGKER.

SPRING HINGE. APPLIGVATION FILED AUG.15, 1907.

F. BRUCKER.

SPRING HINGE.

APPLIGATION FILED M1645, 1907.

F. BRUCKER.

SPRING HINGE. APPIJGATION FILED AUG.15,'1907.

9 1 8,502. Patented Apr. 20, 190

q 3 SHEETS-SEEET x UNITED sTATEs raTENT oEEioE.

FRANCIS BRUCKER, OF SHELBY, OHIO, ASSIGNOR TO THE STANDARDMANUFACTURING l COMPANY, OF SHELBY, OHIO.

SPRING-HINGE.

Specification of Letters Patent.

Patented April 2o, 1909.v

Application filed August 15, 1907. Serial No. 388,658.

.which a post or stem acts, as the door-is turned, upon a plunger and against a spring,

Vthe reactionv of which tends to return the door to its normal or closed position.

My invention consists in improved detailsl of construction, in this form of spring hinge, the nature and purpose of which are hereinafter fully set forth, and illustrated in the accompanying drawings, .in which- Figure 1 is anelevation of a portion of a door andits frame, disclosin the hinged construction vernbodying my invention as applied thereto. Fig. 2 is a horizontal sectional plan of the hinge construction before its application to the door. Fig. 3 is a side elevation ,of the same, the inclosing shell or cover being removed in both Figs. 2 and 3. Fig. 4 is a plan view of the floor plate. Fig.

, 5 is a transverse section on line 5-5 of Fig.

3. Figs. 6 and 7 are respectively a vertical longitudinal 'section and aplan of the inclosing shell or casing. Fig. 8 is a section `on line 8 8 of Fig. 3 'looking toward the right, and Fig. 9 is a detail plan view showing the manner of connecting or fastening the rear end of the shell or casing. Fig. 10 is a view of a modification.

This hinge is composed of two parts,4 one to be attached to the door, and the other to the sill` or floor. As shown the working parts are held in a frame A, composed of two` steel strips '5 and 6, the bent ends of which 5c and 6, are connected to their opposite partsns illustrated at 6". The part 5,

l'}')rojected. at 5"-, is perforated fcrscrews whereby it. is attached. The other part has a detachable screw 14, for like purpose, this screw being preferably held in part 6 by reverse thread. f The spring 11 located in this frame, is held at one end on a nut 10 having holes 10a for turning and threaded on "stern 7, fixed in part 6c of frame. The other end of this spring bears on shoulders 8:1l of the shank 8 of the plunger. This plunger shank is inclosed in the coil and has a head 9 with two arms 9", which embrace the post at e (Fig. 5) and bear on studs f Whlch are fixed to a disk d formed with or fixed tothe post, so that, (the post beingheld fast) the swinging-of the frame A with the door, in either direction, will cause a stud to press the shoulders of the lunger against the spring, and reaction o `the spring on the stud will tend to return the door. VThe head and arms rest on this disk d, and are supported thereby, and above them is another annular disk 4, with interior edge 4a upturned, closely fitting the reduced upper end of the post. Axial therewith and over disk 4 is an inverted cup, 6", fixed to the upper frame art at 6d, the downward lian e of which mcloses the upward flange of isl: 4 at such distance as to leave an annular way for the anti-frictionrollers shown in Fig. 5.

It will be understood that the post, in the form shown, rests in the oor ieee or a 'fixed piece independent of the rame, and

the frame and `door rest on the post turning on these rollers, the post, in this action,being held rigidly. The post also passes through the lower frame part 5, and its foot, preferably slightly tapered is stepped with the floor piece as shown at a, Fi 5. While this post is normally held rigid y in the kfloor piece, it is capable of slight rotary movement therein and also in relation to the frame and door for purpose of adjustment and alinement of the door. To this end the post bearings in the frame are round as is the p ost bearing hole in the plate 2a which is prothese screws the post may be slightly turned in relation to the'floor piece and frame and door, so that the studs f may be made toso bear on the plunger arms, that when the door is at rest and closed it will aline accurately, and this may be done readily and without removal of any part. This floor piece is shown in Figs. 3, 4 and 5.

The door edge being properly recessed the frameV is applied -by turning in the wood screw 14 (the threadof its wood end being reversed to the metal thread end in t-he frame) using the frame as a handle until it is home,when the free end 5 is sprung up -into its mortise and secured by screws.

nickel platingl of the frame or other expensive surfacing, .and at the saine tlme to ren? der 1t easily covered and accessible, I have provided a shell of sheet metal shown inv 5 Figs. 6 and 7. As shown it is in a single piece shaped to snugly inclose the rame with plain sides 16", enlarged at the rear ends as shownat 16a and with top flanges 17. At the' rear end is a screw hole for con i0 nection with the frame, and at the front the side walls arel turned in and provided with a slot Ta-which engages with ears 18a on a cross plate 18, fixed to the ends of the frame. The shell may be pushed on from the'rear v the ends engaged with the ears, and held by"` plunger having its head located between the disks and its arms bearing onthe studs and having also a stem and a 'spring encirclingl the stem. V

2. A door vhinge comprising a frame; a

post thereon, a diskaxed on said post, studs mounted on said a spring aetuate Y plunger provided With'arms adapted to bear on said studs, an u-pper disk seated on said studs and having an -inner upturnedlflange encircling the upperend of said post, an

Ytween said disks. and operates on the post,

said shelltothe frame at the butt of thev tachmen't, a post in said frame, disks on said post, studs between the disks, an. armed inverted cup secured to the frame and in; Closing the upper ange of said upper disk and forming therewith an annular ball raceway and anti-friction balls in said way.

3. ln a door hinge, a frame, a post seated ina floor plate and provided with separated disks, a plunger whose head 4is sustained bea spring encircling the shank of said plunger and an adjusting nut on the frame vat the other yend of lthe spring.

4. In a spring hinge, a Aframe for 'carry-4 ing the operating-parts, an inclosing shell embracing the sides `of the frame,=an inter- `locking connection between the extremities of said sides land the frame forlocking said sides to the frame, and a screw for securing hinge. 1

5. In a spring door hinge, a frame con taining the spring and cooperating parts, and adapted for attachment to the door and an inclosing shell comprising -side members having slotted ends adapted to be engaged by tongues carried at one end of the frame, and means for securing'said shell parts in place at the opposite' end of the frame.

6. In a door hinge, a frame, a post there- *mi in, disks on said posts havingvhorizontal parallel portions, and studs between said disks, a spring actuated plunger having al head confined between the parallel portions of said disks, said head having arms bearing on the studs', and means whereby the angular relation of the studs with relation to the frame may be varied.

In testimony whereof, I affix my signature in presence of two witnesses.

FRANCIS BRUCKER.

l-Vitnesses:

I-I. W. HILDEBRANT,

EsTELLA Cnowns. 

